Books like The Life of Galileo
Bertolt Brecht
The Life of Galileo is 155 pages, about 2 hours 51 minutes at 250 words a minute.
12 books to read next
How long each takes
The Fire Raisers 1.7 h 
The Visit 2.0 h 
Faust 5.6 h 
Nathan the Wise 4.3 h 
Antigone 1.7 h 
Uncle Vanya 1.5 h 
Wilhelm Tell 3.4 h 
Mary Stuart 3.5 h 
The Robbers 3.2 h 
The Physicists 1.5 h 
All Quiet on the Western Front 4.6 h 
Peer Gynt 4.4 h Bar height shows length. Estimated at 250 words a minute.